%0 Journal Article
%A A. M. Nurmatov
%T On the exponential indices of a triangular system and its diagonal approximation
%J Differencialʹnye uravneniâ
%D 1987
%P 814-818
%V 23
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1987_23_5_a9/
%G ru
%F DE_1987_23_5_a9